P. Acampora, E. Cristoforoni, C. Nitsch, C. Trombetti:
A free boundary problem in thermal insulation with a prescribed heat
  source
(preprint) 2022

P. Acampora, E. Cristoforoni:
An isoperimetric result for an energy related to the $p$-capacity
(preprint) 2022

P. Acampora, E. Cristoforoni:
A free boundary problem for the p-Laplacian with nonlinear boundary
  conditions
(preprint) 2022

P. Acampora, V. Amato, E. Cristoforoni:
Estimates on the Neumann and Steklov principal eigenvalues of collapsing
  domains
(preprint) 2023

P. Acampora, E. Cristoforoni, C. Nitsch, C. Trombetti:
On the optimal shape of a thin insulating layer
(preprint) 2023

P. Acampora, E. Cristoforoni:
On the asymptotic behavior of a diffraction problem with a thin layer
(preprint) 2024

P. Acampora, A. Celentano, E. Cristoforoni, C. Nitsch, C. Trombetti:
A spectral isoperimetric inequality on the n-sphere for the
  Robin-Laplacian with negative boundary parameter
(preprint) 2024